MCQ Questions with Answers on Theory of Machines
1- The cam and follower without a spring form a
(A) lower pair
(B) higher pair
(C) self-closed pair
(D) force closed pair
2- A kinematic chain is known as a mechanism when
(A) none of the links is fixed
(B) one of the links is fixed
(C) two of the links is fixed
(D) all of the links is fixed
3- The Coriolis component of acceleration is taken into account for
(A) slider crank mechanism
(B) four bar chain mechanism
(C) quick return motion mechanism
(D) none of the above
4- _______ is an example of incompletely constrained motion.
(A) Motion of piston inside the cylinder
(B) Motion of square bar in a square hole
(C) Motion of circular bar in a circular hole
(D) None of the above
5- Pantograph is an inversion of which of the following chains?
(A) Slider crank chain
(B) Four bar chain
(C) Double slider crank chain
(D) Kinematic chain
6- This mechanism is used in shaping machines.
(A) Whitworth quick return motion mechanism
(B) Oldham’s coupling
(C) Scotch Yoke
(D) Crank and slotted lever quick return mechanism
7- The number of possible inversions of double slider crank chain is
(A) Four
(B) Three
(C) Two
(D) None of the above
8- If degree of freedom is zero, the structure is known as
(A) Indeterminate structure
(B) Unconstrained structure
(C) Structure
(D) Gruebler’s structure
9- When three links are connected at the same point, it is called:
(A) Quaternary joint
(B) Ternary joint
(C) Tertiary joint
(D) Unconstrained pair
10- The study of relative motion between the parts of a machine is called
(A) Kinetics
(B) Kinematics
(C) Dynamics
(D) Relativity
11- In toothed gearing, the unit of module is
(A) Inch
(B) mm
(C) Inch2
(D) Unitless
ANSWERS:
1-(C), 2-(B), 3-(C), 4-(C), 5-(B), 6-(D), 7-(B), 8-(C), 9-(B), 10-(B), 11-(B)